Power output apparatus, vehicle including power output apparatus, and control unit and method for power output apparatus

一种动力输出、动力的技术，应用在动力输出设备的控制单元领域，达到抑制损坏的效果

Inactive Publication Date: 2011-06-08
TOYOTA JIDOSHA KK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such inconvenience should be minimized

Method used

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  • Power output apparatus, vehicle including power output apparatus, and control unit and method for power output apparatus
  • Power output apparatus, vehicle including power output apparatus, and control unit and method for power output apparatus
  • Power output apparatus, vehicle including power output apparatus, and control unit and method for power output apparatus

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Embodiment Construction

[0033] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

[0034] figure 1 is a view schematically showing a hybrid vehicle 20 including a power output apparatus according to an embodiment of the present invention. Such as figure 1 As shown, the hybrid vehicle 20 includes an engine 22; a three-shaft power distribution / integration mechanism 30 connected via a damper 28 to a crankshaft 26 serving as an output shaft of the engine 22; a motor MG1 connected to the power distribution / integration mechanism 30 and generates electric power; the motor MG2, which is connected to the power distribution / integration mechanism 30 via the transmission 60; and the electronic control unit (hereinafter, simply referred to as "hybrid ECU") 70 for the hybrid vehicle, which controls the hybrid vehicle the entire drive system.

[0035] Engine 22 is an internal combustion engine that outputs power using hydrocarbon fuels su...

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Abstract

When there is no malfunction in either drive shaft rotational speed detection portion (36) or rotating shaft rotational speed detection portion (44), control of internal combustion engine (22), the power split device (30, MGl), the electric motor (MG2), and the shifting portion (60) is performed while speed ratio in shifting portion (60) is changed and an intermittent operation of internal combustion engine (22) is performed so that a drive power required for drive shaft (32a) is output to shaft (32a). When a malfunction occurs in drive shaft rotational speed detection portion (36) or / and rotating shaft rotational speed detection portion (44), the control is performed while at least one of change in speed ratio, intermittent operation, and output of drive power required for shaft (32a) toshaft (32a) is limited so that a drive power that approximates required drive power as closely as possible is output to drive shaft (32a).

Description

technical field [0001] The present invention relates to a power take-off, a vehicle including the power take-off, and a control unit and method for the power take-off. Background technique [0002] For example, Japanese Patent Application Publication No. JP-A-2004-255901 describes a power output apparatus installed in a vehicle. In this power output apparatus, a first electric motor, an engine, and an output shaft connected to wheels are respectively connected to a sun gear, a planetary carrier, and a ring gear of a planetary gear set, and a second electric motor is connected to the output via a transmission including two brakes. axis. When the engine of the above-mentioned vehicle is started with the vehicle at a standstill, the first electric motor operates while outputting reaction torque to the output shaft while both brakes are engaged to fix the rotational speed of the output shaft at zero. Start the engine. Therefore, the vehicle is prevented from moving when the e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/28B60K17/04B60L15/20B60L11/14B60K6/445B60K6/448B60K6/52B60K6/54B60K6/547B60L50/16B60W10/06B60W10/08B60W10/10B60W20/00F02D29/02F16H59/40F16H59/42F16H61/12F16H61/68F16H61/684F16H61/686F16H63/50
CPCY02T10/6239B60W10/06Y02T10/6286B60L2240/421B60W10/08Y02T10/642B60W20/00B60W50/038B60L2240/423B60W2510/081Y02T10/7258B60W2710/083B60W2050/0215B60K6/445Y10S477/906B60K2006/4841B60L3/0038B60L7/24B60L2240/12B60L2240/441B60L2250/26B60L50/62B60L50/16Y02T10/62Y02T10/64Y02T10/7072Y02T10/72Y02T10/70B60K6/20B60W10/10B60W20/50B60W2050/021
Inventor 远藤弘淳吉见政史河口一夫笹出晋一田岛阳一西山忍冈坂和臣
Owner TOYOTA JIDOSHA KK
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